hi , I have a error when i compile gcc-4.1.2 using buildroot in cygwin gcc -g -O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -DHAVE_CONFIG_H -o cc1 c-lang.o stub-objc.o attribs.o c-errors.o c-lex.o c-pragma.o c-decl.o c-typeck.o c-convert.o c-aux-info.o c-common.o c-opts.o c-format.o c-semantics.o c-incpath.o cppdefault.o c-ppoutput.o c-cppbuiltin.o prefix.o c-objc-common.o c-dump.o c-pch.o c-parser.o c-gimplify.o tree-mudflap.o c-pretty-print.o cc1-checksum.o \ main.o libbackend.a ../libcpp/libcpp.a ../libcpp/libcpp.a -liconv ../libiberty/libiberty.a c-pch.o: In function `c_common_valid_pch': /home/mahua/opt/armbuild26_v1/toolchain_build_arm/gcc-4.1.2/gcc/c-pch.c:239: undefined reference to `_executable_checksum' /home/mahua/opt/arm/toolchain_build_arm/gcc-4.1.2/gcc/c-pch.c:271: undefined reference to `_executable_checksum' c-pch.o: In function `c_common_print_pch_checksum': /home/mahua/opt/arm/toolchain_build_arm/gcc-4.1.2/gcc/c-pch.c:489: undefined reference to `_executable_checksum' c-pch.o: In function `pch_init': /home/mahua/opt/arm/toolchain_build_arm/gcc-4.1.2/gcc/c-pch.c:135: undefined reference to `_executable_checksum' /home/mahua/opt/arm/toolchain_build_arm/gcc-4.1.2/gcc/c-pch.c:149: undefined reference to `_executable_checksum' collect2: ld returned 1 exit status make[2]: *** [cc1] Error 1 make[2]: Leaving directory `/home/mahua/opt/arm/toolchain_build_arm/gcc-4.1.2-initial/gcc' make[1]: *** [all-gcc] Error 2 make[1]: Leaving directory `/home/mahua/opt/arm/toolchain_build_arm/gcc-4.1.2-initial'
The target platform is arm, gcc version is 4.1.2 binutils-2.17.50.0.8, uClibc-0.9.28. The host platform is cygwin (1.5.24). Thanks.